"No, this is not a sign advertising motorcycles made of goo. It's actually an abbreviation of the word "good" (or, "go-do" in romaji). It's common for people to drop the "do" part and just say "goo", as in "goo job".'

"Move over green Army Men. AJ's original Toy Boarders are skate, surf and snowboard inspired plastic action figures that - like little classic toy soldiers, are plastic, green and ignite the imagination - but unlike toy soldiers, do not promote violence"...with the exception of large amounts of shredding and thrashing. Via: If its hip its here